Anxiety disorders are the most prevalent psychological disorder in the United States. Every year 19% of the population suffers from a diagnosable anxiety disorder and 31% of the population will experience an anxiety disorder at some point in their life. Close to one half of people with an anxiety disorder also have a depressive disorder. The good news is that anxiety disorders (and depressive disorders) are highly treatable. In fact, anxiety disorders may have the best prognosis of any psychological disorder.
The word anxiety refers to mild nervousness and worry to excessive rumination, catastrophic thinking and panic. Some anxiety, worry and nervousness is normal and healthy but can be considered problematic when it begins to interfere with or impair your work or personal life.
Anxiety problems are characterized by changes in thinking, mood, behavior and physical functioning. The following diagram illustrates this.